[单选题]At an unsheltered anchorage the chief engineer officer shall consult with_______whether or not to maintain an underway watch

正确答案 ：C

the master

[单选题]The International Oil Pollution Prevention Certificate is valid for a period of

正确答案 ：B

five years from the date of issue

[单选题]Gear pumps are widely used to transfer any one of the following but .

正确答案 ：D

fresh water

[单选题]须给他船让路的船舶包括：I、规则15条定义的交叉相遇局面中的让路船；II、规则14条定义的对遇局面中的机动船；III、规则18条规定的让路船；IV、规则19条规定的听到他船一长两短声号的机动船；V、规则13条定义的追越中的追越船。

正确答案 ：C

I、III、V

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